Mineralogy Database

Spodiosite Mineral Data

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General Spodiosite Information

Help on Chemical  Formula: Chemical Formula: Ca2(PO4)F
Help on Composition: Composition: Molecular Weight = 194.13 gm
   Calcium     41.29 %  Ca   57.77 % CaO
   Phosphorus  15.96 %  P    36.56 % P2O5
   Oxygen      32.97 %  O
   Fluorine     9.79 %  F     9.79 % F
                 -   %   F    -4.12 % -O=F2    
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2(PO4)F
Help on Environment: Environment: Spodiosite is a mixture of fluorapatite, calcite and serpentine. See IMA action 2003-03-B
Help on IMA Status: IMA Status: Discredited IMA 2003 - Valid Mineral (PreIMA) 1872
Help on Locality: Locality: Nyttsta Kran mine, Filipstad, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1872 from the Greek for "ash gray", in allusion to the color.
Help on Name Pronunciation: Name Pronunciation: Spodiosite + Pronunciation Say SPODIOSITE
Help on Synonym: Synonym: Discredited
 

Spodiosite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8857:1:1.5489
Help on Cell Dimensions: Cell Dimensions: a = 6.185, b = 6.983, c = 10.816, Z = 4; V = 467.14 Den(Calc)= 2.76
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbcm
 

Physical Properties of Spodiosite

Help on Cleavage: Cleavage: {010} Distinct, {001} Indistinct
Help on Color: Color: Gray, Blue gray, Gray brown.
Help on Density: Density: 2.94
Help on Habit: Habit: Porcelainous - Fine-grained, translucent massive material like broken china
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Earthy (Dull)
 

Optical Properties of Spodiosite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.197 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.275 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2459,KPDmeas= 0.2308,KC= 0.1928
Ncalc = 1.53 - 1.57
Help on Optical Data: Optical Data: Biaxial (+), a=1.663, b=1.674, g=1.699, bire=0.0360
 

Calculated Properties of Spodiosite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.91 gm/cc
note: Specific Gravity of Spodiosite =2.94 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0007156672
Boson Index = 0.9992843328
Help on Photoelectric: Photoelectric: PESpodiosite = 5.91 barns/electron
U=PESpodiosite x rElectron Density= 17.19 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Spodiosite is Not Radioactive
 

Spodiosite Classification

Help on  Dana Class: Dana Class: 41.06.11.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.06)where (A)2 (XO4) Zq
  (41.06.11)Dana Group
 
41.06.11.01 Spodiosite? Ca2(PO4)F Pbcm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.XX.00 08 - PHOSPHATES, ARSENATES, VANADATES
  08.X - Unclassified Strunz PHOSPHATES, ARSENATES, VANADATES
  08.XX -Phosphate, Fluoride
 
08.XX.00 Arsenobismite? Bi2(AsO4)(OH)3 Unk Ortho
 
08.XX.00 Coeruleolactite (Ca,Cu)Al6(PO4)4(OH)8•4-5(H2O) P1 1
 
08.XX.00 Cheralite-(Ce)? (Ce,Ca,Th)(P,Si)O4 P 21/n 2/m
 
08.XX.00 Chernovite-(Ce)* (Ce,Y)(AsO4) I 41/amd 4/m 2/m 2/m
 
08.XX.00 Kerstenite? PbSeO4(?) P nma 2/m 2/m 2/m
 
08.XX.00 Laubmannite? Fe3Fe6(PO4)4(OH)12 Unk Ortho
 
08.XX.00 Spodiosite? Ca2(PO4)F Pbcm 2/m 2/m 2/m
 
08.XX.00 Pseudo-autunite* (H3O)4Ca2(UO2)2(PO4)4•5(H2O)(?) Unk Ortho
 
08.XX.00 Viseite Ca10Al24(SiO4)6(PO4)7O22F3•72(H2O)(?) I a3d 4/m 3 2/m
 
08.XX.00 Vanuranylite? (H3O,Ba,Ca,K)1.6(UO2)2V2O8•4(H2O)(?) C 2/c ? 2/m
 
08.XX.00 Sodium-autunite Na2(UO2)2(PO4)2•8(H2O) P 4/nmm 4/m 2/m 2/m
 
08.XX.00 Sodium meta-autunite! Na2(UO2)2(PO4)2•6-8(H2O) P 4/nmm 4/m 2/m 2/m
 
08.XX.00 Slavkovite! Cu13(AsO4)6(AsO3OH)4•23(H2O) P1 1
 
08.XX.00 IMA2000-020! Fe4[AsO3OH]5[AsO2(OH)2]2•20(H2O) Ortho Ortho
 
08.XX.00 Lewisite! (Ca,Fe,Na)2(Sb,Ti)2O7 F d3m 4/m 3 2/m
 
08.XX.00 Kamarizaite! Fe3(AsO4)2(OH)3•3H2O Pccm, Pcc2, Pcmm, Pcm21 Ortho
 
08.XX.00 Lapeyreite! Cu3O[AsO3(OH)]2•H2O C 2/m 2/m
 
08.XX.00 IMA2008-063 Pb[Zn0.25,[]0.75]Fe3H(AsO4)2(OH)6 C 2/c 2/m
 
08.XX.00 IMA2009-002! Cu3(AsO4)2 P 21/c 2/m
 
08.XX.00 IMA2009-005 (Y,Ca,REE)5[(Si,P)O4]3F P 63/m 6/m 2/m 2/m
 
08.XX.00 IMA2009-016 Cu4H(AsO4)2(OH)3•H2O P1 1
 

Other Spodiosite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Spodiosite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - Scandinavian mineral gallery
15 - WWW-MINCRYST

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Spodiosite

Ca2(PO4)F
Dana No: 41.06.11.01 Strunz No: 08.XX.00
Locality:

 

Notes:

 

 
   
 


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